Hinge for adjustable seat of sleeping berth

Abstract

The utility model belongs to the technical field of application of seat assembling accessories, and particularly discloses a hinge for an adjustable seat of a sleeping berth, which comprises an L-shaped main fixing part and an L-shaped auxiliary fixing part, and a locking fixing block is arranged on the side wall of the L-shaped main fixing part. One end of the first L-shaped main fixing part and one end of the first L-shaped auxiliary fixing part are fastened through a locking fixing block by means of a locking bolt, a first convex internal thread block and a second convex internal thread block are arranged on the same side wall of one end of the first L-shaped auxiliary fixing part, a first bolt is arranged on the first convex internal thread block, and a second bolt is arranged on the second convex internal thread block. And a clamping spring and a hinge plate are assembled on the second convex internal thread block through second bolts, and an arc-shaped sliding part used in cooperation with the end face of one L-shaped auxiliary fixing part is arranged at one end of the hinge plate. The utility model has the beneficial effects that the adjustable seat for the sleeping berth and the seat frame can be conveniently mounted and correspondingly and stably connected and adjusted; the integral design is reasonable, the service life is long, and the safety of the assembled adjustable seat of the sleeping berth is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of application of seat assembly accessories, and in particular relates to a hinge for an adjustable sleeper seat, which is used for the rapid assembly and adjustment connection of the adjustable seat. Background Art

[0002] Adjustable seats are commonly used for installation in sleeper cars such as long-distance buses and trains due to their comfort.

[0003] A hinge is a mechanical device used to connect two solid objects and allow them to rotate relative to each other. A hinge can be made of movable components or foldable materials.

[0004] At present, in the construction and assembly of adjustable seats, it is necessary to design a hinge that is easy to assemble and adjust, so as to achieve a stable and accurate adjustable assembly connection of the seat. How to achieve this functional design is currently in urgent need of research and solution.

[0005] Therefore, based on the above-mentioned problem, the utility model provides a hinge for an adjustable sleeper seat. Utility Model Content

[0006] Purpose of the utility model: The purpose of the utility model is to provide a hinge for an adjustable sleeper seat in view of the deficiencies in the prior art, which solves the problems existing in the installation of the adjustable seat in the background technology and realizes the convenient assembly and reliable connection and adjustment of the adjustable seat.

[0007] Technical solution: The hinge for an adjustable berth seat provided by the utility model comprises an L-shaped main fixing part and an L-shaped auxiliary fixing part, the side wall of the L-shaped main fixing part is provided with a locking fixing block, the L-shaped main fixing part and one end of the L-shaped auxiliary fixing part are fastened with a locking bolt through the locking fixing block, one end of the L-shaped auxiliary fixing part is provided with a first convex internal thread block and a second convex internal thread block on the same side wall, the first convex internal thread block is provided with a first bolt, the second convex internal thread block is equipped with a retaining spring and a hinge plate through the second bolt, one end of the hinge plate is provided with an arc-shaped sliding part used in conjunction with the end face of an L-shaped auxiliary fixing part; wherein, one end of the retaining spring is locked to the surface of the first convex internal thread block by the first bolt, and the retaining spring is located in the inner layer of the hinge plate.

[0008] According to the technical solution, the hinge for the adjustable berth seat further includes a plurality of first fixing through holes and a plurality of second fixing through holes respectively arranged on an L-shaped main fixing portion and an L-shaped auxiliary fixing portion.

[0009] According to the technical solution, the hinge for the adjustable berth seat also includes a sloped transition fixing plate arranged on the side wall of an L-shaped auxiliary fixing portion and close to the second convex internal thread block, a fixing through groove arranged in the sloped transition fixing plate, and an arc-shaped limiting plate arranged on the end face of one end of the sloped transition fixing plate; wherein the sloped transition fixing plate is arranged as a trapezoidal structure.

[0010] Compared with the prior art, the beneficial effects of the hinge for the adjustable berth seat of the utility model are: 1. It is specially used for the convenient installation of the adjustable berth seat and the seat frame and the corresponding stable connection and adjustment; 2. The overall design is reasonable and the service life is long, ensuring the safety of the adjustable berth seat after assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the vertical structure of the hinge for the adjustable sleeper seat of the utility model;

[0013] Figure 2 , Figure 3 It is a schematic diagram of the assembly angle adjustment structure of the hinge for the adjustable sleeper seat of the utility model;

[0014] Figure 4 It is a top view structural schematic diagram of the hinge for the adjustable sleeper seat of the utility model;

[0015] Among them, the serial numbers in the figure are as follows: 1-an L-shaped main fixing part, 11-an L-shaped auxiliary fixing part, 12-a first fixing through hole, 13-a second fixing through hole, 14-a sloped transition fixing plate, 15-a fixing through groove, 16-an arc-shaped limiting plate, 17-a locking fixing block, 18-a locking bolt, 19-a first convex internal thread block, 20-a first bolt, 21-a retaining spring, 22-a second convex internal thread block, 23-a second bolt, 24-a hinge plate, 241-an arc-shaped sliding part. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] Embodiment 1

[0019] like Figure 1 , Figure 2 , Figure 3 and Figure 4 The hinge for the adjustable berth seat shown comprises an L-shaped main fixing portion 10 and an L-shaped auxiliary fixing portion 11, the side wall of the L-shaped main fixing portion 10 is provided with a locking fixing block 17, the L-shaped main fixing portion 10 and one end of the L-shaped auxiliary fixing portion 11 are fastened by a locking bolt 18 through the locking fixing block 17, one end and the side wall of the L-shaped auxiliary fixing portion 11 are provided with a first convex internal thread block 19 and a second convex internal thread block 22, the first convex internal thread block 19 is provided with a first bolt 20, the second convex internal thread block 22 is equipped with a retaining spring 21 and a hinge plate 24 through a second bolt 23, and one end of the hinge plate 24 is provided with an arc-shaped sliding portion 241 used in conjunction with the end face of the L-shaped auxiliary fixing portion 11;

[0020] Among them, one end of the retaining spring 21 is locked on the surface of the first convex internal thread block 19 by the first bolt 20, and the retaining spring 21 is located in the inner layer of the hinge plate 24. One end of the retaining spring 21 contacts the inner layer of the hinge plate 24, propping up the hinge plate 24, so that the arc-shaped sliding part 241 is tightly fitted on the end surface of an L-shaped auxiliary fixing part 11, and can slide on the end surface of an L-shaped auxiliary fixing part 11.

[0021] Embodiment 2

[0022] On the basis of the first embodiment, the hinge for the adjustable berth seat further includes a plurality of first fixing through holes 12 and a plurality of second fixing through holes 13 respectively arranged on an L-shaped main fixing portion 10 and an L-shaped auxiliary fixing portion 11. During installation, bolts (not marked in the figures, which does not affect the disclosure of the technical solution of the present application) are used to fix and assemble the L-shaped main fixing portion 10 and the L-shaped auxiliary fixing portion 11 to the adjustable seat and the seat support frame respectively through the first fixing through holes 12 and the second fixing through holes 13.

[0023] Embodiment 3

[0024] On the basis of Example 1 or Example 2, the hinge for an adjustable berth seat further includes a sloped transition fixing plate 14 arranged on the side wall of an L-shaped auxiliary fixing portion 11 and close to the second convex internal thread block 22, a fixing through groove 15 arranged in the sloped transition fixing plate 14, and an arc-shaped limiting plate 16 arranged on the end face of one end of the sloped transition fixing plate 14; wherein the sloped transition fixing plate 14 is arranged to be a trapezoidal structure, and the above design is used for securely fixing and assembling with the corresponding fixing parts of the adjustable seat, completing stable assembly and anti-detachment of an L-shaped auxiliary fixing portion 11, and realizing stable connection and adjustment functions.

[0025] The working principle or structural principle of the hinge for the adjustable sleeper seat of this structure:

[0026] (1) Using bolts through the first fixing through hole 12 and the second fixing through hole 13, an L-shaped main fixing portion 10 and an L-shaped auxiliary fixing portion 11 are respectively fixed to the adjustable seat and the seat support frame, and at the same time, the corresponding fixing components of the adjustable seat are aligned and fixed to the fixing through groove 15 and the arc-shaped limiting plate 16;

[0027] (2) The overlapping ends of an L-shaped main fixing portion 10 and an L-shaped auxiliary fixing portion 11 are fastened by means of a locking bolt 18 through a locking fixing block 17 .

[0028] At this time, during the adjustment process, the arc-shaped sliding portion 241 is tightly attached to the end surface of an L-shaped auxiliary fixing portion 11 and can slide on the end surface of an L-shaped auxiliary fixing portion 11, preventing the L-shaped auxiliary fixing portion 11 from shaking and causing the adjustable seat to shake synchronously.

[0029] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A hinge for an adjustable sleeper seat, comprising an L-shaped main fixing portion (10) and an L-shaped auxiliary fixing portion (11), characterized in that: The side wall of the L-shaped main fixing portion (10) is provided with a locking fixing block (17). The L-shaped main fixing portion (10) and one end of the L-shaped auxiliary fixing portion (11) are fastened by a locking bolt (18) through a locking fixing block (17). A first convex internal thread block (19) and a second convex internal thread block (22) are provided on one end and the same side wall of the L-shaped auxiliary fixing portion (11). The first convex internal thread block (19) is provided with a first bolt (20). The second convex internal thread block (22) is equipped with a retaining spring (21) and a hinge plate (24) via a second bolt (23). One end of the hinge plate (24) is provided with an arc-shaped sliding portion (241) for use in conjunction with an end surface of an L-shaped auxiliary fixing portion (11); One end of the retaining spring (21) is locked on the surface of the first convex internal thread block (19) by means of a first bolt (20), and the retaining spring (21) is located in the inner layer of the hinge plate (24).

2. The hinge for an adjustable sleeper seat according to claim 1, characterized in that: The hinge for the adjustable berth seat also includes a plurality of first fixing through holes (12) and a plurality of second fixing through holes (13) which are respectively arranged on an L-shaped main fixing portion (10) and an L-shaped auxiliary fixing portion (11).

3. The hinge for an adjustable sleeper seat according to claim 1, characterized in that: The hinge for the adjustable berth seat also includes a sloped transition fixing plate (14) arranged on a side wall of an L-shaped auxiliary fixing portion (11) and close to the second convex internal thread block (22), a fixing through groove (15) arranged in the sloped transition fixing plate (14), and an arc-shaped limiting plate (16) arranged on an end surface of one end of the sloped transition fixing plate (14); Wherein, the sloped transition fixing plate (14) is arranged as a trapezoidal structure.

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